Something like:
$ # cleanish 18.04 WSL install from the MSFT Store running on Win10 1809
$ curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg
$ sudo mv microsoft.gpg /etc/apt/trusted.gpg.d/microsoft.gpg
$ sudo sh -c 'echo "deb [arch=amd64] https://packages.microsoft.com/repos/vscode stable main" > /etc/apt/sources.list.d/vscode.list'
$ sudo apt update && sudo apt upgrade
$ sudo apt install libgtk2.0-0 libxss1 libasound2 mesa-utils code
$ export DISPLAY=localhost:0
$ export NO_AT_BRIDGE=1
